// Copyright 2004-2011 Castle Project - http://www.castleproject.org/
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Castle.MonoRail.Views.AspView.Compiler.PreCompilationSteps
{
	using System.Collections.Generic;
    using System.Text.RegularExpressions;
    using MarkupTransformers;

	public class MarkupTransformationsStep : IPreCompilationStep
	{
		readonly ICollection<IMarkupTransformer> markupTransformers;

		public MarkupTransformationsStep()
		{
			markupTransformers = Resolve.MarkupTransformersProvider.GetMarkupTransformers();
		}

		public void Process(SourceFile file)
		{
			file.RenderBody = Internal.RegularExpressions.Script.Replace(file.RenderBody, delegate(Match match)
			{
				var script = match.Groups["script"].Value;
				var markup = match.Groups["markup"].Value;
				foreach (var transformer in markupTransformers)
				{
					markup = transformer.Transform(markup);
				}
				return markup + script;
			});
		}
	}
}
